Technics SL-PD665 - Optical Pickup and Servo Amp Block Diagram

SL-PD687
Mi BLOCK DIAGRAM
AN8802SCE1V
SERVO
AMP
©)
®
id
OPTICAL
PICKUP
®
cy
‘Semiconductor laser
to detect
comparator
Phase
(VREF)
AN8389SE1 ———
j
FOCUS
COIL/
TRACKING
COILTRAVERSE MOTOR |
(SPINDLE MOTOR DRIVE
Focus coil E
4 Tracking coil
Se en ee
Et
selon
TRAVERSE
sl
i eee
l~
sanoe ( M 2.
7
MOTOR
Se
ono
4h eqno1 Pvect O
23
PGND2 ——PVcca
Fea eae
—32—